package lotterysystem.lotterysystem.common.utils;

import jakarta.annotation.Resource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;

import java.util.Collection;
import java.util.concurrent.TimeUnit;

@Configuration
public class RedisUtil {

    private static final Logger logger = LoggerFactory.getLogger(RedisUtil.class);

    @Resource
    private StringRedisTemplate stringRedisTemplate;

    //------------- String -------------
    /**
     * 设置值
     * @param key
     * @param value
     * @return
     */
    public boolean set(String key,String value) {
        try {
            stringRedisTemplate.opsForValue().set(key,value);
            return true;
        } catch (Exception e) {
            logger.error("RedisUtil error,set({},{})",key,value,e);
            return false;

        }
    }

    /**
     * 设置值(设置过期时间)
     * @param key
     * @param value
     * @param time 单位： s
     * @return
     */
    public boolean set(String key,String value,Long time) {
        try {
            stringRedisTemplate.opsForValue().set(key,value,time, TimeUnit.SECONDS);
            return true;
        } catch (Exception e) {
            logger.error("RedisUtil error,set({},{},{})",key,value,time,e);
            return false;

        }
    }

    /**
     * 获取值
     * @param key
     * @return
     */
    public  String get(String key) {
        try {
            return StringUtils.hasText(key)
                    ? stringRedisTemplate.opsForValue().get(key)
                    : null;
        } catch (Exception e) {
            logger.error("RedisUtil error,get({})",key,e);
            return null;
        }
    }

    /**
     * 删除值
     * @param key
     * @return
     */
    public boolean del(String... key) {
        try {
            if (null != key && key.length > 0) {
                if (key.length == 1) {
                    stringRedisTemplate.delete(key[0]);
                } else {
                    stringRedisTemplate.delete(
                            (Collection<String>)CollectionUtils.arrayToList(key)
                    );
                }
            }
            return true;

        } catch (Exception e) {
            logger.error("RedisUtil error,del({})",key,e);
            return false;
        }
    }

    /**
     * 判断key是否存在
     * @param key
     * @return
     */
    public boolean hasKey(String key) {
        try {
            return StringUtils.hasText(key)
                    ? stringRedisTemplate.hasKey(key)
                    : false;
        } catch (Exception e) {
            logger.error("RedisUtil error,hasKey({})",key,e);
            return false;
        }
    }
}
